On Fri, Sep 08, 2017 at 04:21:36PM +0100, Paul Durrant wrote: > A subsequent patch will introduce a new scheme to allow an emulator to > map ioreq server pages directly from Xen rather than the guest P2M. > > This patch lays the groundwork for that change by deferring mapping of > gfns until their values are requested by an emulator. To that end, the > pad field of the xen_dm_op_get_ioreq_server_info structure is re-purposed > to a flags field and new flag, XEN_DMOP_no_gfns, defined which modifies the > behaviour of XEN_DMOP_get_ioreq_server_info to allow the caller to avoid > requesting the gfn values. > > Signed-off-by: Paul Durrant <paul.durr...@citrix.com> > Reviewed-by: Roger Pau Monné <roger....@citrix.com>
Acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
